George and Annie are off on another cosmic adventure inspired by the Mars Expedition in the fifth book of the George’s Secret Key series from Stephen and Lucy

George travels to the future in the epic conclusion of the George’s Secret Key series from Lucy Hawking. When George finds a way to escape the spacecraft Arte

George and Annie are off on another cosmic adventure to figure out why strange things are happening on Earth in the fourth book of the George’s Secret Key ser

George is heartbroken when his neighbor Annie and her father move to Florida, but when Annie sends him a message telling him she has been contacted by aliens wi

Join George and Annie as they explore the galaxy in this cosmic adventure series from acclaimed scientist Stephen Hawking and his daughter Lucy Hawking. George�